Checking back pressure on exhaust, was told 3 " WC max.....does not seem right, should it be Mercury instead...??? manuals are at the shop...
Engine idles at 8 " WC..
Problem solved......should be inches mercury.....
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Inches of Water column or inches Mercury
Last edited by Canuck Dennis; 04-22-2011 at 03:23 PM.
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04-24-2011 02:04 PM #2Registered Member
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Re: Inches of Water column or inches Mercury
3" Hg, 41" WC, or about 1.4 PSI. What ever is easiest as to finding a gauge.
MN